Index: test/Driver/aarch64-predres.c
===================================================================
--- test/Driver/aarch64-predres.c
+++ test/Driver/aarch64-predres.c
@@ -0,0 +1,11 @@
+// RUN: %clang -### -target aarch64-none-none-eabi -march=armv8a+predres     %s 2>&1 | FileCheck %s
+// CHECK: "-target-feature" "+predres"
+// CHECK-NOT: "-target-feature" "-predres"
+
+// RUN: %clang -### -target aarch64-none-none-eabi -march=armv8.5a+nopredres %s 2>&1 | FileCheck %s --check-prefix=NOPR
+// NOPR: "-target-feature" "-predres"
+// NOPR-NOT: "-target-feature" "+predres"
+
+// RUN: %clang -### -target aarch64-none-none-eabi                           %s 2>&1 | FileCheck %s --check-prefix=ABSENT
+// ABSENT-NOT: "-target-feature" "+predres"
+// ABSENT-NOT: "-target-feature" "-predres"
Index: test/Driver/arm-sb.c
===================================================================
--- test/Driver/arm-sb.c
+++ test/Driver/arm-sb.c
@@ -0,0 +1,14 @@
+// RUN: %clang -### -target arm-none-none-eabi -march=armv8a+sb %s 2>&1 | FileCheck %s
+// RUN: %clang -### -target aarch64-none-none-eabi -march=armv8a+sb %s 2>&1 | FileCheck %s
+// CHECK: "-target-feature" "+sb"
+// CHECK-NOT: "-target-feature" "-sb"
+
+// RUN: %clang -### -target arm-none-none-eabi -march=armv8.5a+nosb %s 2>&1 | FileCheck %s --check-prefix=NOSB
+// RUN: %clang -### -target aarch64-none-none-eabi -march=armv8.5a+nosb %s 2>&1 | FileCheck %s --check-prefix=NOSB
+// NOSB: "-target-feature" "-sb"
+// NOSB-NOT: "-target-feature" "+sb"
+
+// RUN: %clang -### -target arm-none-none-eabi %s 2>&1 | FileCheck %s --check-prefix=ABSENT
+// RUN: %clang -### -target aarch64-none-none-eabi %s 2>&1 | FileCheck %s --check-prefix=ABSENT
+// ABSENT-NOT: "-target-feature" "+sb"
+// ABSENT-NOT: "-target-feature" "-sb"